Another month, another Hackday winner! This month we’d like to feature a Hackday product – LinkedIn Connection Timeline – that helps you visualize the connections you’ve made on LinkedIn over the past years. Check out other Hackday winners here. – Ed. As a web developer at LinkedIn, I spend most of my time thinking about new user experiences for visualizing professional data. During our most recent Hackday at LinkedIn, I had the opportunity to share one of these ideas…